Amusingly deprecate the generic version of 'ExceptionState::throwDOMException'.

Source/modules/mediasource/WebKitMediaSource.cpp

Index: Source/modules/mediasource/WebKitMediaSource.cpp
diff --git a/Source/modules/mediasource/WebKitMediaSource.cpp b/Source/modules/mediasource/WebKitMediaSource.cpp
index 860a2938dba29f12910fe7bb275a8a1ac891108a..77b42231aabab943bf5f14d1e56d1244d8c928df 100644
--- a/Source/modules/mediasource/WebKitMediaSource.cpp
+++ b/Source/modules/mediasource/WebKitMediaSource.cpp
@@ -75,21 +75,21 @@ WebKitSourceBuffer* WebKitMediaSource::addSourceBuffer(const String& type, Excep
     // 1. If type is null or an empty then throw an InvalidAccessError exception and
     // abort these steps.
     if (type.isNull() || type.isEmpty()) {
-        es.throwDOMException(InvalidAccessError);
+        es.throwUninformativeAndGenericDOMException(InvalidAccessError);
         return 0;
     }
 
     // 2. If type contains a MIME type that is not supported ..., then throw a
     // NotSupportedError exception and abort these steps.
     if (!isTypeSupported(type)) {
-        es.throwDOMException(NotSupportedError);
+        es.throwUninformativeAndGenericDOMException(NotSupportedError);
         return 0;
     }
 
     // 4. If the readyState attribute is not in the "open" state then throw an
     // InvalidStateError exception and abort these steps.
     if (!isOpen()) {
-        es.throwDOMException(InvalidStateError);
+        es.throwUninformativeAndGenericDOMException(InvalidStateError);
         return 0;
     }
 
@@ -114,14 +114,14 @@ void WebKitMediaSource::removeSourceBuffer(WebKitSourceBuffer* buffer, Exception
     // 1. If sourceBuffer is null then throw an InvalidAccessError exception and
     // abort these steps.
     if (!buffer) {
-        es.throwDOMException(InvalidAccessError);
+        es.throwUninformativeAndGenericDOMException(InvalidAccessError);
         return;
     }
 
     // 2. If sourceBuffers is empty then throw an InvalidStateError exception and
     // abort these steps.
     if (isClosed() || !m_sourceBuffers->length()) {
-        es.throwDOMException(InvalidStateError);
+        es.throwUninformativeAndGenericDOMException(InvalidStateError);
         return;
     }
 
@@ -130,7 +130,7 @@ void WebKitMediaSource::removeSourceBuffer(WebKitSourceBuffer* buffer, Exception
     // 6. Remove sourceBuffer from sourceBuffers and fire a removesourcebuffer event
     // on that object.
     if (!m_sourceBuffers->remove(buffer)) {
-        es.throwDOMException(NotFoundError);
+        es.throwUninformativeAndGenericDOMException(NotFoundError);
         return;
     }